{"type":"firestarter.listing","listing":{"id":"lst_z101slOl","product_name":"Half Moon Necklace #1 by Melted Porcelain","category":"Ceramics","description":"Porcelain charm with 18k gold luster, hung on an adjustable greek leathercord.","images":["https://cdn.shopify.com/s/files/1/0164/0955/9104/files/37-IMG_0638.jpg?v=1736804303","https://cdn.shopify.com/s/files/1/0164/0955/9104/files/38-IMG_0637.jpg?v=1736804304"],"price":42,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:19.537Z"},"share_url":"https://firestarter.network/l/lst_z101slOl","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_z101slOl' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Half Moon Necklace #1 by Melted Porcelain' and a budget_max comfortably above $42.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}